Year	annual %
1987	2.7771189307290456
1988	5.1312596719679675
1989	2.5629018675888062
1990	2.34834723607608
1991	0.29403402951639634
1992	2.4695688810249408
1993	1.018185981687168
1994	2.976573459450819
1995	3.587591971715412
1996	4.964615575836888
1997	1.8693557454371899
1998	3.041923319554712
1999	4.183863222504584
2000	2.2912872982989967
2001	2.4055758867167043
2002	1.3820014010193802
2003	4.1154940603912
2004	5.3052755092799515
2005	5.077058153212377
2006	5.323861262907158
2007	5.344633231977539
2008	2.309839998052368
2009	3.8362744113463236
2010	4.49316599377407
2011	2.835256754969251
2012	3.215397420023635
2013	3.8751200043900127
2014	4.683935296270846
2015	4.802509349396814
2016	5.012589973382191
2017	4.323728857331901
2018	4.24978688236672
2019	2.4004023739308025
2020	-5.80716064607536
2021	5.519903284378458
2022	4.890194812714796
2023	4.651855002545389